--How long are they _______the house?--I am not sure.A.buyin
--How long are they _______the house?--I am not sure.A.buyin
I am not sure how long they _.
I an not sure how long they____
by the way,how long ______?I am not sure .I hope to see all
Sure.I am not a bad
i am not a decadent boy,they are!
i am not sure if they're coming什么意思?
I am sure they do not get there by chance.
I am not sure.____you are right.A.Probably B.May be C.Must
how long will I (be off work)?A:need not stay at work C:am n
Er...i am not sure.
I am not sure是什么意思